Gores Group LLC is making a bid for at least half the stores of Borders Group Inc., the bankrupt US bookstore operator looking to reorganize, a person familiar with the matter said.

Frank Stefanik, a spokesman for Gores Group in Los Angeles, declined to comment.

Borders, based in Ann Arbor, Mich., filed for bankruptcy protection in February. The company, the second-largest book chain after Barnes & Noble, is closing about 225 stores, one-third of its total.